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" Multiply each payment by its term of credit, and divide the sum of the products by the sum of the payments ; the quotient will be the average term of credit. "
Robinson's New Practical Arithmetic for Common Schools and Academies - Page 306
by Horatio Nelson Robinson - 1892 - 416 pages
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Indroduction to the National Arithmetic ...

Benjamin Greenleaf - 1854 - 342 pages
...of the whole. Hence the following RULE. — Multiply each payment by the time before it is due, then divide the sum of the products by the sum of the payments, and the quolient will be the true time required. NOTE 1. — This is the rule usually adopted by merchants,...
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The practical calculator: a treatise on arithmetic

C W. Thornhill - 1854 - 228 pages
...quantities and prices being given to find the mean price. RULE. — Multiply each quantity by its price, and divide the sum of the products by the sum of the quantities. EXAMPLES. A grocer mixes 5 Ibs. of tea at Ss. Od. ; 7 Ibs. at 5s. Od. ; and 9 Ibs. at 6*....
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Graded Problems in Arithmetic and Mensuration

Samuel Mecutchen - Arithmetic - 1880 - 262 pages
...share of the gain or loss. EQUATION OF PAYMENTS. CASE I. MULTIPLY each debt by the number denoting its term of credit, and divide the sum of the products by the number denoting the sum of the debts ; the quotient will be the average term of credit. The average...
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Graded Problems in Arithmetic and Mensuration

Samuel Mecutchen - Arithmetic - 1880 - 292 pages
...share of the gain or loss. EQUATION OF PAYMENTS. CASE I. MULTIPLY each debt by the number denoting its term of credit, and divide the sum of the products by the number denoting the sum of the debts ; the quotient will be the average term of credit. The average...
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The Bryant and Stratton Business Arithmetic

H. Bryant - 1881 - 574 pages
...quality of 1 oz. is 20. RULE. Multiply the value or quality of each article by the number of articles, and divide the sum of the products by the sum of the articles. The quotient will te the average value or quality of the mixture. 3. A grocer mixed 15 Ib....
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Concise system of arithmetic, re-arranged and enlarged by A. Trotter

A. Melrose - 1881 - 314 pages
...mixture, when the quantities and rates of the simples are given. RULE. Multiply each quantity by its rate, and divide the sum of the products by the sum of the quantities. 1. Eight Ib. of sugar, at 4d. per Ib., were mixed with 5 Ib. at 5d., and 7 Ib. at 8d. ;...
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Complete Graded Arithmetic: Oral and Written, Upon the Inductive Method of ...

James Bates Thomson - Arithmetic - 1882 - 450 pages
...to Oct. 10th, 1880 = Dec. 25th, 1880, the date of payment. Hence, the RULE. — Multiply each item, by its term of credit, and divide the sum of the products by the sum of the iterns Tlie quotient will be the average term of credit. Adding the average term of credit to the date...
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The Complete Arithmetic, Oral and Written, on the Basis of Works

Henry Bartlett Maglathlin - Arithmetic - 1882 - 398 pages
...55d. = May 26, the average time. 334. Rule to find the Average Time of Payment. Multiply each debt by its term of credit, and divide the sum of the products by the sum of the debts. The quotient will be the average term of credit. This added to the date from which the credits...
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Complete Graded Arithmetic, Oral and Written: Upon the Inductive Method of ...

James Bates Thomson - Arithmetic - 1882 - 416 pages
...Oct. 10th, 1880 = Dec. 25th, 1880, the date of payment. Hence, the RULE. — Multiply each item by Us term of credit, and divide the sum of the products by the sum of the items. The quotient will be the average term of credit. Adding the average term of credit to the date...
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Fish's Arithmetic Number Two: Oral and Written, Upon the Inductive ..., Book 2

Daniel W. Fish - Arithmetic - 1883 - 364 pages
...average term of credit of $800 dua in 1 mo., $750 due in 4 mo., and $1000 due in 6 mo. RULE. — 1. Multiply each payment by its term of credit, and divide...products by the sum of the payments ; the quotient is the average term of credit. 2. To find the equated time of payment.— Add the average term of credit...
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